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Appearance of activated alumina: activated alumina is white spherical porous particles with uniform particle size, smooth surface, high mechanical strength, strong hygroscopicity, no swelling or cracking after water absorption, non-toxic, odorless, insoluble in water and ethanol, It has strong adsorption to fluorine and is mainly used for defluorination of drinking water in high fluoride areas. Activated alumina has selective adsorption capacity for gas, water vapor and moisture in some liquids. After the adsorption is saturated, it can be heated at about 175-315 ° C to remove water and resurrected. Adsorption and resurrection can be performed multiple times. In addition to being used as a desiccant, it can also absorb the Read more

Pintejin Ceramics is a professional ceramic manufacturer specializing in the production and machining of zirconia ceramics. It is a professional ceramic manufacturer integrating calcination, forming, machining and testing of zirconia ceramics. As a ceramic material with excellent performance, zirconia ceramics are widely used in various industries and are also important ceramic materials for future industrial and technological development. The following is an introduction to the development status and trends of zirconia ceramics by Pintejin Ceramics. Zirconia ceramic heating element Zirconia ceramic has excellent properties such as high temperature resistance, wear resistance, corrosion resistance, bending pressure resistance, good chemical stability, etc. It can be used to make ceramic valves, ceramic needle Read more

Calcium oxide has a melting point of 2570°C, abundant resources and relatively cheap price, but it is difficult to sinter, has low stability in the atmosphere, and is easy to hydrate, which is the biggest problem in the manufacture of CaO products. The raw material used to prepare pure calcium oxide is chemically pure calcium carbonate or calcium hydroxide, which is burned at a temperature slightly higher than its decomposition temperature. In the process of manufacturing calcium oxide products, from the preparation of agglomerates to the firing of the products until they are used, they must be stored in a moisture-free medium. The hydration rate of calcium oxide in the Read more

Alumina ceramics have excellent insulation, low high-frequency loss but good high-frequency insulation, so what are the properties that alumina ceramics will improve after machining? Next, Pintejin ceramics will introduce to you. 1. Improve hardness The Rockwell hardness is up to the standard. Taking the processed wear-resistant ceramic patch as an example, its hardness is second only to that of diamond. It was found after many experimental verifications by alumina ceramic manufacturers. Physically speaking, after the alumina wear-resistant ceramic patch is processed, its hardness far exceeds the wear resistance of stainless steel and wear-resistant steel. It can be seen that its hardness is significantly improved after machining. 2. The wear resistance Read more

Pintejin Ceramics Factory is a professional manufacturer of precision ceramics machining, which can provide customized precision ceramics machining and production according to drawings. Below, Pintejin Ceramics Factory will introduce the sintering technology of precision ceramics to us. Precision ceramic nozzle The sintering technology of precision ceramics mainly includes the following methods: Atmospheric pressure sintering of precision ceramics, also known as pressureless sintering. It belongs to the process of free sintering of the green body under atmospheric pressure. In the absence of external power, the sintering temperature of the material generally reaches the melting point of the material at 0.5-0.8. Solid-phase sintering at this temperature can induce sufficient atomic diffusion in Read more